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TIL After a hospital error, two pairs of identical twins were raised in separate families as two pairs of fraternal twins. They found each other 25 years later.

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0wAYy TIL that physicist Nikola Tesla once paid an overdue hotel bill with a box containing a working model of his ‘death beam‘, warning employees never to open it because of the danger. They hid the box & when it was discovered years later & opened, found to contain old (harmless) electrial parts.
Rpj9 TIL Smoking hookah is no safer than smoking cigarettes and in fact “Smokers may absorb more of the toxic substances also found in cigarette smoke than cigarette smokers do.”
6Qd7 TIL that a simple test involving asking a patient to draw the face of a clock is used as a screening tool for Alzheimer’s and other types of dementia.
kOQPd TIL Betty Shabazz, wife of Malcolm X, was killed by her own twelve-year-old grandson in 1997. Wanting to return to his mother, who was in treatment as part of a plea agreement for plotting to kill Louis Farrakhan, he set his grandmother's apartment on fire. She died weeks later of her injuries.
nWNyr TIL that Fahrenheit and Celsius meet at -40°F (-40°C)